Watch horn



FIG. 1 is a top view of watch horn according to the present invention;

FIG. 2 is a bottom view;

FIG. 3 is a left side view;

FIG. 4 is a right side view;

FIG. 5 is a front view;

FIG. 6 is a rear view;

FIG. 7 is a front perspective view; and,

FIG. 8 is a rear perspective view.

The portions of the article shown in broken lines from no part of the claimed design. 

CLAIM The ornamental design for watch horn, as shown and described. 